// Invalid values ignored
            }
        }

        // Directory leasing configuration
        value = props.getProperty("jcifs.smb.client.useDirectoryLeasing");
        if (value != null) {
            this.useDirectoryLeasing = Boolean.parseBoolean(value);
        }

        value = props.getProperty("jcifs.smb.client.directoryCacheScope");
        if (value != null) {

    super.logoff();
}
```

## 6. Configuration

### 6.1 Configuration Properties
```java
// In PropertyConfiguration.java
public static final String USE_DIRECTORY_LEASING = "jcifs.smb.client.useDirectoryLeasing";
public static final String DIRECTORY_CACHE_SCOPE = "jcifs.smb.client.directoryCacheScope";
public static final String DIRECTORY_CACHE_TIMEOUT = "jcifs.smb.client.directoryCacheTimeout";

jcifs.smb.client.durableTimeout=120000

# Multi-channel
jcifs.smb.client.useMultiChannel=true
jcifs.smb.client.maxChannels=4
jcifs.smb.client.channelBindingPolicy=required

# Directory leasing
jcifs.smb.client.useDirectoryLeasing=true
jcifs.smb.client.dirCacheTimeout=60000

# RDMA
jcifs.smb.client.useRDMA=auto
jcifs.smb.client.rdmaProvider=disni

# Witness
jcifs.smb.client.useWitness=true

     *
     * @return directory to store persistent handle state
     */
    String getHandleStateDirectory();

    /**
     * Property {@code jcifs.smb.client.useDirectoryLeasing} (boolean, default true)
     *
     * @return whether to use directory leasing for caching
     */
    boolean isUseDirectoryLeasing();

    /**